Antioxidant Depletion Lifetime in High Density Polyethylene Geomembranes
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 124, Issue 6
Abstract
A major issue in the use of geomembranes for waste containment is an estimate of the material's durability (i.e., its lifetime) to various aging phenomena. For high density polyethylene geomembranes, which are the focus of this study, there are three stages in assessing lifetime: depletion of antioxidants, induction time, and time to reach half-life of a relevant engineering property. This paper addresses the first stage of these three sequential processes. Twenty laboratory incubation devices were made to simulate landfill conditions. Four sets of five columns were maintained at elevated temperatures of 85, 75, 65 and 55°C. Samples were retrieved at various intervals over a 24-month incubation period. Various physical, mechanical, and chemical properties were evaluated. The depletion of antioxidants in the incubated samples was monitored using both standard and high pressure oxidative induction time tests. Arrhenius modeling was used on the data to extrapolate the antioxidant lifetime to a typical landfill site temperature of 20°C. The resulting predicted time was 200 to 215 years. Also, it should be emphasized that within this period of time the physical and mechanical properties of the incubated samples remained unchanged.
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References
1.
Accorsi, J., and Romero, E. (1995). “Special carbon blacks for plastics.”Plastics Engrg., 29–32.
2.
Fay, J. J., and King, R. E. (1994). “Antioxidants for geosynthetic resins and applications.”Geosynthetic resins, formulations and manufacturing, Y. G. Hsuan, and R. M. Koerner, eds., GRI Conference Series, IFAI, St. Paul, Minn., 77–96.
3.
Grassie, N., and Scott, G. (1985). Polymer degradation and stabilization. Cambridge University Press, New York, N.Y.
4.
Howard, J. B.(1973). “Data for control of stability in polyolefin wire and cable compounds.”Polymer Engrg. Sci., 13(6), 429–434.
5.
Hsuan, Y. G., and Guan, Z. (1997). “Evaluation of the oxidation behavior of polyethylene geomembranes using oxidative induction time tests.”Oxidative behavior of materials by thermal analytical techniques, ASTM STP 1326, A. T. Riga and G. H. Patterson, eds., ASTM, Philadelphia, PA., 76–90.
6.
Koerner, G. R., and Koerner, R. M. (1995). “Temperature behavior of field deployed HDPE geomembranes.”Geosynthetics '95 Conf. Proc., IFAI, St. Paul, Minn., 921–938.
7.
Koerner, R. M., Lord, A. E. Jr., and Hsuan, Y. H.(1992). “Arrhenius modeling to predict geosynthetic degradation.”J. Geotextiles and Geomembranes, 11(2), 151–184.
8.
Luston, J. (1986). “Physical loss of stabilizers from polymers.”Developments in polymer stabilization—2, G. Scott, ed., Applied Science Publishers Ltd., London, U.K., 185–240.
9.
Mitchell, D. H., and Spanner, G. E. (1985). “Field performance assessment of synthetic liners for uranium tailings ponds.”Status Rep., Battelle Pacific Northwest Laboratories, U.S. NRC, NUREG/CR-4023, PNL-5005.
10.
Petermann, J., Miles, M., and Gleiter, H. (1976). “Growth of polymer crystals during annealing.”J. Macromol. Sci—Phys., B12(3), 393–404.
11.
Rapoport, N. Y., and Zaikov, G. E. (1986). “Kinetics and mechanism of the oxidation of stressed polymer.”Developments in polymer stabilization—4, G. Scott, ed., Applied Science Publishers Ltd., London, U.K., 207–258.
12.
Smith, G. D., Karlsoon, K., and Gedde, U. W.(1992). “Modeling of antioxidant loss from polyolefins in hot-water applications. I: Model and application to medium density polyethylene pipes.”Polymer Engrg. and Sci., 32(10), 658–667.
13.
Struik, L. C. E. (1978). Physical aging in amorphous polymers and other materials. Elsevier Scientific Publishing Company, Amsterdam, The Netherlands.
14.
Thomas, R. W., and Ancelet, C. R. (1993). “The effect of temperature, pressure and oven aging on the high-pressure oxidative induction time of different types of stabilizers.”Geosynthetics '93 Conf. Proc., IFAI, St. Paul, Minn., 915–924.
15.
Tikuisis, T., Lam, P., and Cossar, M. (1993). “High pressure oxidative induction time analysis by differential scanning calorimetry.”MOC/MOA and COC/COA of Geosynthetics, R. M. Koerner and Y. G. Hsuan, eds., GRI Conference Series, IFAI, St. Paul, Minn., 191– 201.
16.
Yazadini, R., Campbell, J. L., and Koerner, G. R. (1995). “Long-term in-situ strain measurements of a high density polyethylene geomembrane in a municipal solid waste landfill.”Geosynthetics '95 Conf. Proc., IFAI, St. Paul, Minn., 893–906.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 124 • Issue 6 • June 1998
Pages: 532 - 541
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Jun 1, 1998
Published in print: Jun 1998
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